# -*- coding: utf-8 -*-
# !/usr/bin/env python

import logging

import dicttoxml
import six
from django.utils.module_loading import import_string

from typing import TYPE_CHECKING, Optional, cast, Union
from apilib.systypes import IterConstant
from apps.web.constant import AppPlatformType
from library.jdopen import JDOpenErrorCode, BankType, JdOpenException
from library.jd.pay import PiType
from library.ys.base import PayOpt

if TYPE_CHECKING:
    from apps.web.core.models import WechatPayApp, PayAppBase, EmbeddedApp, WechatMiniApp
    from apps.web.common.models import CapitalUser

logger = logging.getLogger(__name__)


class PayAppType(IterConstant):
    # 资金池模式只使用ALIPAY,WECHAT,JD_AGGR三种支付方式
    ALIPAY = 'alipay'
    WECHAT = 'wechat'

    # 蓝牙特殊处理, 使用小程序绑定的支付方式, 后续可以迁移到京东聚合支付
    WECHAT_MINI = 'wechat_mini'

    # 各经销商可使用的支付方式(包括JD_AGGR以及ALIPAY+WECHAT)
    PLATFORM_PROMOTION = "platform_promotion"
    PLATFORM_WALLET = 'platform_wallet'
    PLATFORM_RECONCILE ='platform_reconcile'
    MANUAL = 'manual'

    SWAP = 'swap'

    LEDGER_CONSUME = "ledgerConsume"

PAY_APP_TYPE_TRANSLATION = {
    AppPlatformType.ALIPAY: u'支付宝',
    AppPlatformType.WECHAT: u'微信',
    PayAppType.WECHAT_MINI: u'微信小程序',
}

PAY_APP_MAP = {
    PayAppType.ALIPAY: 'apps.web.core.models.AliApp',
    PayAppType.WECHAT: 'apps.web.core.models.WechatPayApp',
    PayAppType.WECHAT_MINI: 'apps.web.core.models.WechatMiniApp'
    PayAppType.PLATFORM_PROMOTION: 'apps.web.core.models.PlatformPromotionApp',
    PayAppType.PLATFORM_WALLET: 'app.web.core.models.PlatformWalletApp',
    PayAppType.PLATFORM_RECONCILE: 'app.web.core.models.PlatformReconcileApp',
    PayAppType.MANUAL: 'apps.web.core.models.ManualPayApp'
}

APP_KEY_DELIMITER = '-'

wechat_bound_openid_key = lambda appid: APP_KEY_DELIMITER.join([AppPlatformType.WECHAT, appid])


class BaseAppProxy(object):
    def __init__(self, app):
        # type: (Optional[EmbeddedApp, WechatPayApp])->None
        self._app = app  # type: Optional[EmbeddedApp, WechatPayApp]

    @property
    def app(self):
        return self._app

    @property
    def client(self):
        if hasattr(self, '__client__'):
            return getattr(self, '__client__')
        else:
            raise AttributeError('no __client__ attribute')

    @property
    def occupantId(self):
        return self._app.occupantId

    @property
    def occupant(self):
        return self._app.occupant

    @property
    def bound_openid_key(self):
        if not hasattr(self, '__bound_openid_key__'):
            raise AttributeError('no __bound_openid_key__ attribute')

        return getattr(self, '__bound_openid_key__')

    @property
    def gateway_type(self):
        if not hasattr(self, '__gateway_type__'):
            raise AttributeError('no __gateway_type__ attribute')
        return getattr(self, '__gateway_type__')

    @property
    def debug(self):
        return self._app.debug

    @property
    def enable(self):
        return self._app.enable

    @property
    def valid(self):
        return self._app.valid


class _BaseMixin(object):
    @property
    def __app_for_inner__(self):
        # type: ()->Union[cast(PayAppBase), EmbeddedApp]
        if not hasattr(self, 'app'):
            raise AttributeError('no app attribute')

        return getattr(self, 'app')

    @property
    def __client_for_inner__(self):
        if not hasattr(self, 'client'):
            raise AttributeError('no client attribute')

        return getattr(self, 'client')

    @property
    def __bound_openid_key__(self):
        raise AttributeError('no __bound_openid_key__ attribute')


class WechatMixin(_BaseMixin):
    @property
    def appid(self):
        return self.__app_for_inner__.appid

    @property
    def secret(self):
        return self.__app_for_inner__.secret

    @classmethod
    def reply(cls, msg, ok):
        # type: (basestring, bool)->str
        response = {
            "return_code": "SUCCESS" if ok else "FAIL",
            "return_msg": msg
        }
        return cls.serialize_wechat_xml(response)

    def check(self, data, order = True, token = True):
        return self.__client_for_inner__.check_signature(data)

    @classmethod
    def serialize_wechat_xml(cls, payload):
        # type:(dict)->str
        return dicttoxml.dicttoxml(payload, attr_type = False, custom_root = 'xml', cdata = True)

    @property
    def __bound_openid_key__(self):
        return wechat_bound_openid_key(self.appid)

    # @property
    # def __gateway_type__(self):
    #     return AppPlatformType.WECHAT


class DlbMixin(_BaseMixin):
    @property
    def merchant_no(self):
        return self.__app_for_inner__.merchant_no

    @property
    def shop_no(self):
        return self.__app_for_inner__.shop_no

    @property
    def machine_no(self):
        return self.__app_for_inner__.machine_no

    @property
    def access_key(self):
        return self.__app_for_inner__.access_key

    @property
    def secret_key(self):
        return self.__app_for_inner__.secret_key

    @property
    def __bound_openid_key__(self):
        # 哆啦宝不需要获取openid
        raise AttributeError("no __bound_openid_key__ attribute")


class YsMixin(_BaseMixin):
    GATEWAY_TYPE_TO_OPT = {
        AppPlatformType.WECHAT: PayOpt.wxPreOrder,
        AppPlatformType.ALIPAY: PayOpt.apPreOrder
    }

    @property
    def channel_id(self):
        return self.__app_for_inner__.channel_id

    @property
    def mer_id(self):
        return self.__app_for_inner__.mer_id

    @property
    def term_id(self):
        return self.__app_for_inner__.term_id

    @property
    def work_key(self):
        return self.__app_for_inner__.work_key

    @property
    def __bound_openid_key__(self):
        # 接口调用的时候获取openid
        raise AttributeError("no __bound_openid_key__ attribute")


class AlipayMixin(_BaseMixin):
    """
        Alipay 支付网关，扩展原库没有的接口 ``alipay.trade.create``
    """

    @property
    def appid(self):
        return self.__app_for_inner__.appid

    @property
    def app_private_key_string(self):
        return self.__app_for_inner__.app_private_key_string

    @property
    def public_key_string(self):
        return self.__app_for_inner__.public_key_string

    @property
    def public_key_cert_string(self):
        return self.__app_for_inner__.public_key_cert_string

    @property
    def root_cert_string(self):
        return self.__app_for_inner__.root_cert_string

    @property
    def app_public_key_cert_string(self):
        return self.__app_for_inner__.app_public_key_cert_string

    @property
    def aes_encrypt_key(self):
        return self.__app_for_inner__.aes_encrypt_key

    @property
    def signKeyType(self):
        return self.__app_for_inner__.signKeyType

    @property
    def __gateway_type__(self):
        return AppPlatformType.ALIPAY

    @property
    def __bound_openid_key__(self):
        # 支付宝用户ID是唯一的,直接以平台类型区分
        return AppPlatformType.ALIPAY

    @property
    def __client__(self):
        return self.__app_for_inner__.client

    def check(self, data, pop_sign_type = True):
        # type:(dict, bool)->bool

        sign = data.pop('sign')
        if not sign:
            logger.error('has no sign')
            return False

        return self.__client__.verify(data, sign, pop_sign_type)


class ROLEMetaClass(type):
    def __setattr__(self, name, value):
        raise NotImplementedError()

    def __getattr__(self, item):
        if item in self.choices():
            return item
        else:
            raise KeyError()


class ROLE(six.with_metaclass(ROLEMetaClass)):
    __role_map = {
        'myuser': {
            'module': 'apps.web.user.models.MyUser',
            'sub_type': 'U'
        },

        'dealer': {
            'module': 'apps.web.dealer.models.Dealer',
            'sub_type': 'D'
        },

        'subaccount': {
            'module': 'apps.web.dealer.models.SubAccount',
            'sub_type': 'B'
        },

        'agent': {
            'module': 'apps.web.agent.models.Agent',
            'sub_type': 'A'
        },

        'manager': {
            'module': 'apps.web.management.models.Manager',
            'sub_type': 'M'
        },

        'supermanager': {
            'module': 'apps.web.superamdin.models.SuperManager',
            'sub_type': 'S'
        },

        'advertiser': {
            'module': 'apps.web.ad.models.Advertiser',
            'sub_type': 'V'
        },

        'tester': {
            'module': 'apps.web.test.models.Tester',
            'sub_type': 'T'
        },

        'advertisement': {
            'module': 'apps.web.ad.models.Advertisement',
            'sub_type': 'T'
        },

        'anonymoususer': {
            'module': 'django.contrib.auth.models.AnonymousUser',
            'sub_type': 'N'
        },

        'manufacturer': {
            'module': 'apps.web.management.models.Manager',
            'sub_type': 'M'
        }
    }

    def __init__(self):
        raise NotImplementedError()

    @classmethod
    def choices(cls):
        return cls.__role_map.keys()

    @classmethod
    def from_role_id(cls, role, id):
        if role == cls.anonymoususer:
            return import_string(cls.__role_map[role]['module'])()
        else:
            return import_string(cls.__role_map[role]['module']).objects(id = id).get()

    @classmethod
    def sub_type(cls, role):
        return cls.__role_map[role]['sub_type']

    @classmethod
    def sub_type_list(cls):
        return [item['sub_type'] for item in cls.__role_map.values()]